datapath: Fix flow table sparse RCU annotations.

Some overzealous marking of pointers as __rcu caused sparse to flag
errors.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>

diff --git a/datapath/datapath.c b/datapath/datapath.c
index 317c404..44d31a8 100644 (file)
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -249,7 +249,7 @@ static void destroy_dp_rcu(struct rcu_head *rcu)
 {
        struct datapath *dp = container_of(rcu, struct datapath, rcu);
 
-       flow_tbl_destroy(dp->table);
+       flow_tbl_destroy((__force struct flow_table *)dp->table);
        free_percpu(dp->stats_percpu);
        kobject_put(&dp->ifobj);
 }

diff --git a/datapath/flow.c b/datapath/flow.c
index 9a0df45..644a377 100644 (file)
--- a/datapath/flow.c
+++ b/datapath/flow.c
@@ -288,15 +288,15 @@ struct sw_flow *flow_alloc(void)
        return flow;
 }
 
-static struct hlist_head __rcu *find_bucket(struct flow_table * table, u32 hash)
+static struct hlist_head *find_bucket(struct flow_table *table, u32 hash)
 {
        return flex_array_get(table->buckets,
                                (hash & (table->n_buckets - 1)));
 }
 
-static struct flex_array  __rcu *alloc_buckets(unsigned int n_buckets)
+static struct flex_array *alloc_buckets(unsigned int n_buckets)
 {
-       struct flex_array  __rcu *buckets;
+       struct flex_array *buckets;
        int i, err;
 
        buckets = flex_array_alloc(sizeof(struct hlist_head *),